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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Fusion Science and Technology
Latest News
Inkjet droplets of radioactive material enable quick, precise testing at NIST
Researchers at the National Institute of Standards and Technology have developed a technique called cryogenic decay energy spectrometry capable of detecting single radioactive decay events from tiny material samples and simultaneously identifying the atoms involved. In time, the technology could replace characterization tasks that have taken months and could support rapid, accurate radiopharmaceutical development and used nuclear fuel recycling, according to an article published on July 8 by NIST.
Tadayoshi Ohmori, Michio Enyo, Tadahiko Mizuno, Yoshinobu Nodasaka, Hideki Minagawa
Fusion Science and Technology | Volume 31 | Number 2 | March 1997 | Pages 210-218
Technical Paper | Nuclear Reaction in Solid | doi.org/10.13182/FST97-A30823
Articles are hosted by Taylor and Francis Online.
The identification of some reaction products possibly produced during the generation of excess energy is attempted. Electrolysis is performed for 7 days with a constant current intensity of 1 A. The electrolytes used are Na2SO4, K2SO4, K2CO3, and KOH. After the electrolysis, the elements in the electrode near the surface are analyzed by Auger electron spectroscopy and electron probe microanalysis. In every case, a notable amount of iron atoms in the range of 1.0 × 1016 to 1.8 × 1017 atom/cm2 (true area) are detected together with the generation of a certain amount of excess energy evolution. The isotopic abundance of iron atoms, which are 6.5, 77.5, and 14.5% for 54Fe, 56Fe, and 57Fe, respectively, and are obviously different from the natural isotopic abundance, are measured at the top surface of a gold electrode by secondary ion mass spectrometry. The content of 57Fe tends to increase up to 25% in the more inner layers of the electrode.